dopamine. closeup presynaptic axon terminal, synaptic cleft, and dopamine-receiving nerve and dopamine-producing cells

dopamine closeup presynaptic axon terminal synaptic cleft dopaminereceiving nerve dopamineproducing cells labeled diagram vector illustration educational biological medical scientific use brain parkinson disease human health neurotransmitter anatomy neurology medicine system neurological schizophrenia care science biology cell neuron disorder receptors nervous serotonin synapse structure pathway neurons education movement memory medication mental diseases dementia receptor